Multi-Antenna covert communication assisted by UAV-RIS with imperfect CSI

S Lin, Y Xu, H Wang, G Ding - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
In this paper, unmanned aerial vehicle (UAV) and reconfigurable intelligent surfaces (RIS)
are combined together to further enhance the covert communication system. In particular, a …

Legitimate monitor by proactive guarding for counter covert communications

M Wang, B **a, J Wang - Science China Information Sciences, 2024 - Springer
Covert communication has been widely investigated to avoid the transmission behavior
being overheard by the warder. However, covert communication may be illegitimately …

[HTML][HTML] Joint jammer selection and power optimization in covert communications against a warden with uncertain locations

Z Han, Y Zhou, Y Zhang, TX Zheng, L Liu… - Digital Communications …, 2024 - Elsevier
In covert communications, joint jammer selection and power optimization are important to
improve performance. However, existing schemes usually assume a warden with a known …

Finite Block-Length Covert Communication in Space-Air-Ground Integrated Networks

S Mu, H Lei, KH Park, G Pan - IEEE Internet of Things Journal, 2025 - ieeexplore.ieee.org
This paper tackles the challenge of enabling covert communication in a dual-hop space-air-
ground integrated network (SAGIN) comprising a satellite, an aerial decode-and-forward …

[HTML][HTML] Task Offloading Strategy for UAV-Assisted Mobile Edge Computing with Covert Transmission

Z Hu, D Zhou, C Shen, T Wang, L Liu - Electronics, 2025 - mdpi.com
Task offloading strategies for unmanned aerial vehicle (UAV)-assisted mobile edge
computing (MEC) systems have emerged as a promising solution for computationally …

Effective Covert Throughput for Mixed Overt and Covert Uplink RSMA Transmissions

H Deng, Z Ni, X Yang, Z Song, S Wang, G Pan, J An - techrxiv.org
In research endeavors focused on the advancements of sixth-generation wireless
communications, there is an urgent need to explore more efficient and flexible multiple …